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1230231111202 = 21514073612951
BaseRepresentation
bin10001111001101111011…
…111010000011000100010
311100121102220212200022201
4101321233133100120202
5130124003131024302
62341054350123414
7154611162623332
oct21715737203042
94317386780281
101230231111202
11434813432415
1217a515ab056a
138c01980aaa2
14437875330c2
1522003c66c87
hex11e6f7d0622

1230231111202 has 8 divisors (see below), whose sum is σ = 1857567506112. Its totient is φ = 611041942500.

The previous prime is 1230231111191. The next prime is 1230231111203. The reversal of 1230231111202 is 2021111320321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1230231111202.

It is not an unprimeable number, because it can be changed into a prime (1230231111203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036806174 + ... + 2036806777.

It is an arithmetic number, because the mean of its divisors is an integer number (232195938264).

Almost surely, 21230231111202 is an apocalyptic number.

1230231111202 is a deficient number, since it is larger than the sum of its proper divisors (627336394910).

1230231111202 is a wasteful number, since it uses less digits than its factorization.

1230231111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073613104.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1230231111202 its reverse (2021111320321), we get a palindrome (3251342431523).

The spelling of 1230231111202 in words is "one trillion, two hundred thirty billion, two hundred thirty-one million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 151 302 4073612951 8147225902 615115555601 1230231111202